PENSION AND OTHER POSTRETIREMENT BENEFITS - Reconciliation of Defined Benefit Plan Asset Balances (Details) - USD ($) $ in Millions	Dec. 31, 2021	Jan. 01, 2021	Jan. 03, 2020
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 9,924	$ 9,600	$ 8,892
Total Investments Measured at NAV
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	4,239	4,254
Total | Total
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5,707	5,395
Total | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	3,235	3,129
Total | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	2,396	2,239
Total | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	76	27
Domestic equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,684	1,513
Domestic equities | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,684	1,513
Domestic equities | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Domestic equities | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
International equities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,367	1,280
International equities | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,278	1,280
International equities | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	89	0
International equities | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Real Estate Investment Trusts
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	259	197
Real Estate Investment Trusts | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	259	197
Real Estate Investment Trusts | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Real Estate Investment Trusts | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Corporate bonds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,411	1,447
Corporate bonds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Corporate bonds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	1,335	1,422
Corporate bonds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	76	25
Government securities
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	448	485
Government securities | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Government securities | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	448	485
Government securities | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Securitized assets
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	99	150
Securitized assets | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Securitized assets | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	99	150
Securitized assets | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Fixed income funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	102	119
Fixed income funds | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	5	119
Fixed income funds | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	97	0
Fixed income funds | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		2
Other | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0
Other | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		0
Other | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets		2
Cash and cash equivalents
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	337	202
Cash and cash equivalents | Level 1
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	9	20
Cash and cash equivalents | Level 2
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	328	182
Cash and cash equivalents | Level 3
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	0	0
Equity funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 2,667	$ 3,088
Investments Measured at NAV	Total Investments Measured at NAV	Total Investments Measured at NAV
Fixed income funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 444	$ 532
Investments Measured at NAV	Total Investments Measured at NAV	Total Investments Measured at NAV
Hedge funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 386	$ 321
Investments Measured at NAV	Total Investments Measured at NAV	Total Investments Measured at NAV
Private equity funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 559	$ 312
Investments Measured at NAV	Total Investments Measured at NAV	Total Investments Measured at NAV
Real estate funds
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 180
Investments Measured at NAV	Total Investments Measured at NAV
Other
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ 3	$ 1
Investments Measured at NAV	Total Investments Measured at NAV	Total Investments Measured at NAV
Payables, net
Defined Benefit Plan Disclosure [Line Items]
Fair value of plan assets	$ (22)	$ (49)